THETA Audio Samples

Here's a sample of what players have to say about the THETA VECTOR System! "What I read and was told about the system was good but did not do the system justice. The amp is the most amazing amp I've ever come across hands down! I've NEVER heard anything that comes close to the capabilities of that amp. I couldn't get a bad sound out of the amp, I tried, I couldn't. Everything is so very usable and versatile. Everything I threw at it from chicken pickin' to extreme heavy drop A seven string tuning was thick and clear, articulate and dead silent when not playing. I have played just about everything on the planet and nothing has left me speechless except the Theta. It's truly the perfect guitar amp for anyone and especially D-tuners and low tuned guitars. The low end was so low and clear, it had the breath needed to hear tone in the lows and the definition to ring clear on highs. I could hear every note on chords, even letting my low note ring and doing little leads and hearing it all perfectly and balanced. Never before have I heard that from even the most high end tube amps. All I can say is wow and thank you for making a true full range guitar system perfect in every way. Baddest amp on the planet hands down! Period!! Look forward to talking with you more soon! Hope you enjoyed my demo." Best Regards, Bret Sanor

The THETA VECTOR ACTIVE GUITAR SYSTEM (TM) is the highest performance guitar system ever produced. The most powerful; 1100 WATTS RMS total power, the most flexible tone; dual amplifiers and dual front end pre-distort preamplifiers, the most gain; more than 140db, the most low end; 800 WATTS with dual active subwoofers, and the quietest with dual Decimator Noise Reduction Systems.

 

The THETA HEAD offers a unique approach to the guitar amplifier, providing two selectable input pre-distort preamplifiers. Using the THETA head is like having two low-noise, extremely high quality preamp pedals at the input of the amplifier. Each front-end pre-amp has gain, bass, mid level, mid sweep and treble which provides amazing pre-distort tone shaping. The amplifiers’ “Clean” and “Distort” circuits have the same post distort tone shaping. Tone beyond your wildest dreams! No other amplifier, Tube, Solid State or Digital even comes close to the sonic flexibility of the THETA. The Clean channel has additional tone shaping with the inclusion of a Presence control providing more than 20db of high frequency boost. You want gain? The THETA literally has more gain available than any amplifier ever produced with greater than 140db of gain and you can control it and make it useable only because we’ve included dual independent full-featured Decimator Noise Reduction systems. The THETA is the first amplifier to incorporate “Dynamic Saturation Modulation” (tm), which delivers the actual feel of a saturated tube power amplifier. The THETA also packs a huge punch; the internal D-CAT power amplifier delivers more than 300 watts RMS into a 4-ohm load and 150 watts into an 8-ohm load. Derek Bowers, renowned IC design engineer from Analog Devices and Buck Waller of ISP Technologies, developed the patent pending D-CAT power amplifier technology. The D-CAT is a super high current power amplifier technology capable of driving a .5-ohm load. This means that the D-CAT amplifier delivers better transient response and

punch than any other amplifier technology.

 

The patent pending VECTOR ACTIVE GUITAR CABINET has bass on tap, designed as the perfect complement with maximum performance when used with the THETA HEAD. Years of experience in designing the highest performance Active Sound Reinforcement cabinets has allowed ISP Technologies engineers to develop the ultimate Active guitar cabinet. Simply connect the speaker output of the THETA HEAD to the input of the VECTOR like you would any other speaker cabinet and get ready to unleash the most unbelievable low-end punch and bass performance you’ve ever heard. The internal amplifier of the THETA head drives the two twelve inch guitar speakers directly and simultaneously delivers the input signal for the internal power amplifier that drives the internal active subwoofer. The subwoofer level is adjustable via the sub level control on the back of the VECTOR cabinet. The internal 400-WATT RMS Active 15-inch subwoofer delivers more deep, low end punch than any other guitar cabinet available. The VECTOR ACTIVE cabinet is high on innovation, incorporating novel Line Array geometry and the patent pending Dynamic Current Amplifier Technology “D-CAT” powering a 500-watt, 4-inch voice coil, 15” woofer. With two 12” guitar speakers in vertical Line Array geometry, ISP solves the problem of horizontal dispersion. Not only does a typical 4x12 guitar cabinet deliver poor bass response but the high frequency response also beams like a flashlight. Directly in front, your ears get shredded yet, move slightly off center and you lose all the high frequencies. The VECTOR cabinet solves this problem through use of Line Array geometry providing excellent off axis dispersion at the higher frequencies. The VECTOR Cabinet is flat all the way down to 50Hz delivering enough low-end bass to match the frequency response of any 7 string guitar. Tune down as far as you want and the VECTOR continues to perform. The VECTOR cabinet can also be used with any existing amplifier. To all this performance add three-way power amplifier protection and you have the most reliable active guitar system ever made. The VECTOR’s internal D-CAT amplifier has global thermal protection, thermal protection built in the power transformer, and an on board distortion limiter circuit to eliminate the possibility of feeding square waves to the woofer. This means that, as long and hard as you drive the VECTOR, even to its maximum limits, you never have to worry about failures. Whether you use the THETA head or your existing guitar amplifier the VECTOR delivers a level of performance never before available.

 
THETA VECTOR ACTIVE GUITAR SYSTEM - Technical Specifications
  • SPECIFICATIONS: THETA HEAD
  • DUAL AMPLIFIERS CLEAN / DISTORTION
  • CLEAN CHANNEL CONTROLS – PRESENCE–BASS–MID–MID SWEEP–TREBLE–DECIMATOR–REVERB–OUTPUT LEVEL
  • DISTORTION CHANNEL CONTROLS – GAIN-BASS-MID-MID SWEEP-TREBLE-DECIMATOR-REVERB-OUTPUT LEVEL
  • HIGH QUALITY DIGITAL REVERB
  • DUAL INPUT PREAMPLIFIER
  • BOTH PREAMPLIFIER CONTROLS – GAIN-BASS-MID-MID SWEEP-TREBLE
  • SOLO BOOST
  • EFFECTS LOOP
  • 300 WATT RMS D-CAT POWER AMPLIFIER
  • SPECIFICATIONS: VECTOR ACTIVE GUITAR CABINET
  • SUBWOOFER POWER AMPLIFIER INTERNAL 400 WATT RMS D-CAT POWER AMPLIFIER
  • SPEAKERS 2X12 75-WATT JENSEN GUITAR SPEAKERS / 15 INCH EMINENCE WOOFER
  • BUILT IN LIMITER
  • SIMPLE CONNECTION TO ANY HEAD
  • NOVEL LINE ARRAY GEOMETRY
  • SUBWOOFER LEVEL CONTROL
  • PROTECTION GLOBAL THERMAL POWER AMPLIFIER PROTECTION / POWER TRANSFORMER THERMAL PROTECTION / DISTORTION LIMITER

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